Have you tried the police, local newspapers, cards in local stores/ community noticeboards, looked on Gumtree etc.
I don't know if you can do what you want, however an option that may work is to.....
Click on the advanced search option located near top right of the page.
Enter the exact specs for the make and model of your missing bike.
When it's finished choose the option to be notified by email when a matching item is listed.
You may be swamped with emails about matching bikes. Chances aren't great but you never know.
